ATTACHED TO THIS LETTER WAS THE ARTICLE: "FLOW OF MITROCHONDRIAL DNA 
ACROSS A SPECIES BOUNDARY" FERRIS, S. D. , R. D. SAGE, C-M. HUANG, J. T. 
NIELSEN, U. RITTE, AND A. C. WILSON, 1983. PROCEEDINGS OF THE NATIONAL 
ACADEMY OF SCIENCE USA, VOLUME 80, PAGE 2290. 
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